Hi Jim - I don't think that that extra bit of solder is going to cause any
solder joint integrity issues and is a low risk for corrosion/dendrite
issues but clearly the vendor had a process issue which is going to and is
causing you process issues. Depending on the size of the population, I
would consider replacing the parts depending on the product use environment
and expected longevity of the product.

Dave Hillman
Rockwell Collins
[log in to unmask]

On Fri, Sep 26, 2014 at 12:56 PM, Jim West <[log in to unmask]> wrote:

> The solder is directly on top of the silkscreen marking.  The solder
> covering the resistor terminations is part of the chip manufacturing
> process.  A little sloppy and something that I have not come across before.
>
> Other thoughts?
>
>
> Jim
>
>
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Victor Hernandez
> Sent: Friday, September 26, 2014 1:43 PM
> To: [log in to unmask]
> Subject: [TN] FW: Chip Resistor termination end solder covering part
> marking.
>
> Is the solder on top of the white silkscreen markings.   Kinda of
> strange.   Is the extract solder there to cover the Ag termination and keep
> for creating whiskers.
>
> Victor,
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Jim West
> Sent: Friday, September 26, 2014 12:01 PM
> To: [log in to unmask]
> Subject: [TN] Chip Resistor termination end solder covering part marking.
>
> Hi All,
>
> Please see links below. The extra solder that is attached to the
> termination side but also covering the part marking.
>
> Obviously, our AOI is failing for the part marking which is a pain. I'm
> curious on what everyone's thoughts are regarding the extra piece of solder
> extending out on the body of the resistor? I've tried to remove the extra
> solder but it is attached and doesn't come free. Besides having to deal
> with the AOI failures, what do you think about the extra solder and should
> I replace the resistors?
>
> http://stevezeva.homestead.com/102_resistor2.jpg
>
> http://stevezeva.homestead.com/102_resistor4_onboard.jpg
>
> Thanks,
>
> Jim
>
>
>
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